SpeechProviderOverrides,

SpeechProviderPlugin,

} from "openclaw/plugin-sdk/speech-core";

import { asFiniteNumber, asObject, trimToUndefined } from "openclaw/plugin-sdk/speech-core";

import { asObject, trimToUndefined } from "openclaw/plugin-sdk/speech-core";

import { asFiniteNumberInRange } from "openclaw/plugin-sdk/string-coerce-runtime";

import { volcengineTTS, type VolcengineTtsEncoding } from "./tts.js";

const DEFAULT_VOICE = "en_female_anna_mars_bigtts";

emotion?: string;

};

function normalizeSpeedRatio(value: unknown): number | undefined {

return asFiniteNumberInRange(value, { min: 0.2, max: 3 });

}

function normalizeVolcengineProviderConfig(

rawConfig: Record<string, unknown>,

): VolcengineTtsProviderConfig {

trimToUndefined(process.env.VOLCENGINE_TTS_APP_KEY) ??

DEFAULT_APP_KEY,

baseUrl: trimToUndefined(raw?.baseUrl) ?? trimToUndefined(process.env.VOLCENGINE_TTS_BASE_URL),

speedRatio: asFiniteNumber(raw?.speedRatio),

speedRatio: normalizeSpeedRatio(raw?.speedRatio),

emotion: trimToUndefined(raw?.emotion),

};

}

resourceId: trimToUndefined(config.resourceId) ?? normalized.resourceId,

appKey: trimToUndefined(config.appKey) ?? normalized.appKey,

baseUrl: trimToUndefined(config.baseUrl) ?? normalized.baseUrl,

speedRatio: asFiniteNumber(config.speedRatio) ?? normalized.speedRatio,

speedRatio: normalizeSpeedRatio(config.speedRatio) ?? normalized.speedRatio,

emotion: trimToUndefined(config.emotion) ?? normalized.emotion,

};

}

}

return {

voice: trimToUndefined(overrides.voice),

speedRatio: asFiniteNumber(overrides.speedRatio),

speedRatio: normalizeSpeedRatio(overrides.speedRatio),

emotion: trimToUndefined(overrides.emotion),

};

}